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coquina

[koh-kee-nuh] /koʊˈki nə/
noun
1.
Also called pompano, butterfly-shell clam. a small clam, Donax variabilis, abundant in the intertidal zone of eastern and southern U.S. coastal beaches, having fanlike bands of various hues, the paired empty shells often spread in a butterfly shape.
2.
any similar clam, especially of the genus Donax.
3.
a soft, whitish rock made up of fragments of marine shells and coral, used as a building material.
Origin
1830-1840
1830-40, Americanism; < Spanish: literally, shellfish, equivalent to Old Spanish coc(a) shellfish (< Latin concha; see conch) + -ina -ine1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for coquina
  • The fort was constructed from a type of limestone called coquina.
  • However, coquina's porosity turned out to have an unexpected benefit.
  • The deteriorated coquina is being replaced by stone taken from a location near where the fort's original coquina was quarried.
  • Deposits made mostly of animal shells may form limestone, coquina, or chert.
  • coquina must be quarried and that requires a substantial amount of time, planning and knowledge.
  • Note the solid stone blocks of coquina that make up these walls and how they were set together.
British Dictionary definitions for coquina

coquina

/kɒˈkiːnə/
noun
1.
a soft limestone consisting of shells, corals, etc, that occurs in parts of the US
Word Origin
C19: from Spanish: shellfish, probably from concha shell, conch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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coquina in Science
coquina
  (kō-kē'nə)   
A soft porous limestone, composed of shells and fragments of shell and coral that are partially cemented by material that is high in calcium carbonate and has not completely hardened.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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